Chenille-making machine



I Oct. 16, 1928. v

E. KRIEGL CHENILLE. MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet III I INVENTOR. WMQD A TTORNEYS.

Oct. 16, 1928. 1,687,942

E. KRIEGL f CHENILLE MAKING MACHINE Filed March 28, 1927 '7 Sheets-Sheet2 I INVENTOR.

A TTORNEYS.

Oct. 16, 1928.

E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet 3R M EQRPw W m v EQRPWM n SE n wE A TTJIPNEYS.

Oct. 16, 1928.

' E- KRIEGL CHENILLE MAKING MACHINE '7 Sheets-Sheet 4 'Filed- March 2 8,192'.

+ FIG. 7.

H 2h: WW

3 wNTOR.

ATTORNEYS Oct. 16, 1928.-

E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets$heet 6dmwm Mk lNVfNTaP,

A T TORNEYS Oct. 16,1928. 1,687,942

l E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet7 FIG. I3

FIG u z o 2 am 57 39 gmntoz Patented Oct. 16, 1928.

UNITED STATES.

PATENT" OFFICE.

EmBIOH KBIEGL, OF GLA'UCHAU, GERMANY.

mum-name MACHINE.

Application fled Iarcli 28, 1987, Serial No. 179,142, and in Germany lay7, 1920.

My invention relates to windin and twisting mechanism particularlymaking a pile fabric known as round chenille, and my main objects are asubstantial -reduc-' tion in manufacturing costs and less floor spacerequirement for a given output, by the simultaneous production in oneworking course of an increased number of chenille strands; and for animproved and positive automatic control of the machine elements wherebythe exhaustion of supply, or breakage of any of the pile forming or warpthreads will be immediately detected irrespective of the carefulwatchfulness of the operator, thus reducing to a minimum defective wasteproduction.

With these main objects in view, and with others that will appear laterherein, my invention relates to improvements in the heretofore knownmachine constructionas fully set forth and described in the followingspecl fication in connection with the drawings accompanying the same andforming part thereof, the novel features whereof areparticularly pointedout in the subjoined claims.

In the drawings,-

Fig. 1 is mainly a nal sectional view of essential features of a windingand twisting machine embodying my improvements; the known twistingmechanism being indicated merely by the warpengaging rotated andtraversed hooks.

Fig. 2 is an enlarged partial longitudinal sectional plan view showingmainly my improved receiving form for the pile-forming windings andguide for the inner warp threads; Figs. 2* and 2 being partialtransverse sections at different portions in the length of said form.

Figs. 3, 4:, and 5 are enlarged detail crosssectional views of the formand parts cooperating therewith adjacent the pile cutting de- Vices,taken. respectively on the lines AB,- CD, and EF of Fig. 6.

Fig. 6 shows in side elevation the parts indicated in Figs. 3, 4 and 5.

Fig. 7 is mainly a partial end elevation, looking in the-direction ofarrow 7 of Fig. 6.

Fig. 8 is mainly a reverse end elevation of the showing of 'Fig. 6,looking in the'direction of arrow 8 thereof.

Fig. 9 is an enlarged diagrammatic side elevation showing the upper andlower tiers of strands extending from the end of the winding form towardthe twisting) devices;

adapted for.

diagrammatic longitudi-.

and Fig. 10 is mainly a corresponding end view thereof.

ly my automatic mechanism operative upon I exhaustion of. supply orbreakage of any of the pile-forming threads of the spools carrled bysaid head.

Fig. 12 is a partial detail plan view indicatlng the automatic controlmechanism for the series of twisting chenille strands.

Fig. 13 shows further automatic control mechanism applicable tothe'series of warp threads.

The general type of machine indicated in the drawings is of knownconstruction, and comprises a hollow shaft 1, fixedly mounted. in tablebearings not shown, and rotatably supporting a belt driven spool head 2,the latter carrying one or more spools in suitablebrackets permittingtheir ready removal and replacement and proper tensloning, so

that the pile-forming thread supplied by said spools may be drawn off asrequired and led over a guide ring 5 fixed to said spool head 2.

Such thread or threads 4 have heretofore been wound or wrapped aroundsome kind of form, spaced bars, or directly upon spaced belts extendingbeyond hollow shaft 1 and tauted and equally driven to feed the windingstherealong, inner and outer warp threads being laid on said windingsadjacent to'and parallel with the spaced belts, and the cutting devicessevering said feed windings between said belts, and such cut windingsthen being engaged by twisting'together each respective pair of warps toproduce two round chenille strands. To my knowledge, all heretoforeknown machines adapted for roducing chenille strands, have by theirinherent structure, been of such limited capacity, which is uneconomicalin use of floor space and recreased in diam eter or spread so that they.may besevere'd at a number of places to form a number of lengths eachadapted to form the pile of a strand; and furthermore each suchlongitudinal line of severed lengths must be supplied with inner andouter warp threads and supported in proper position between the latteruntil engaged therewith. by the twisting together of its respective pairof warps. i

As a preferred embodiment .of a form suitable for my purpose I employ aform 7, which as shownin the drawings, is mainly of rec: tangularcross-section with one endsupported withinthe hollow shaft 1 by adiametral taper pin 8, and its opposite free end extending in an axialplane beyond said shaft. Upon the form 7 the pile forming thread f iswound by the rotated spool head 2, said windings being fed along saidform by side feed belts 9, as heretofore, so as to lay said windings inregular convolutions and carry the latter to the cutting devices. Thebelts 9 are preferably of steel wire, and preferably also I employ twosuch belts on each side of the form 7, extending longitudinally close tothe I I side edges of the latter, and for part of the length thereofadjacent the hollow shaft 1, in edge guide ways, as indicated'in Fig. 2.lhe drawings show only the portions of said belts extending through thehollow shaft 1 and over thrust guide sheaves 10 at the free end of'theform, and they may be on any known type, endless and extended over drivewheels, or reciprocated between winding drums; in which latter case theyare of sufficient length to form a commercial length ofstrand, and thereciprocation takes place between strand formations; but in either casethey are traversed in-the portion shown in the drawings at equal andvdetermined feed speed in the direction of the arrows. 1 My improyedform 7, as shown, is adapted to produce as heretofore the usual pair ofedge chenille strands by laying within the windings 6 between the feedwires 9, a longitudinal inner warp thread, superimposing an outer warpthread on said windings by means of the thrust guide sheaves 10, andsevering 7 said windings on opposite sides of said pair of superimposedwarps. But to increase the number of chenille strands producible in one7 working course, I employ the entire surface of said form 7 as a guidefor additional longitudinal warp threads, and preferably as shown, toinsure the proper lateral spacings 1 the under flat surface.

of the latter, oove said form surface 'to provide determined guide ways11 for said warps 12, and-in the present instance, I form the guide waysin the upper fiat surface of the form directly opposite the guide waysin 4 The form 7, as shown, at the hollow shaft supported'en'd providedwith the aforesaid edge guide ways for the feed wires 9 and one warpthread, and witha is reduced in thickness and the feed wire guide waysomitted beyond the guide ring 5 I so that the windings 6 will liedirectly onthe longitudinal warps 12- and feed wires 9, as clearly seenin Fig. 2", to avoid frictional contact with the form in their travelthere along, the warps 12 being traversed at equal speed with the wires9 by the take-up. motion of the twisting mechanism as will later appearhereinafter. While the bridge 13 and guide-ways 11 are both shown, onemay be used without the other. i

The outer end of said form 7, between the thrust sheaves 10, isrecessedas shown, to provide a series of projecting lugs or tongues 1d,extending between a series of cutting devices; the latter preferablyconsisting of pairs of rotated discs with their cutting edgesoverlapping within said recesses. And to facilitate the simultaneouscutting of the windings on both the upper and lower surfaces of theform, it is important that said windings may contact at their points ofseverance,

without stretching of the same to' avoid breakage and insure an evenline of cutting; and with this in mind, ll preferably outwardly tapereach projecting lug 14 so as to reduce its thickness, and at thesametime round its opposite surfaces, its resulting cross-sectionapproaching an outwardly reducing oval as clearly shown in Figs. 4 and5.

lhe outer pairs of said cutting devices 15 the simultaneous productionof additional chenille strands by superimposing an outer warp threadover each of the series of inner warp threads 12 and twisting said pairsof inner and outer warps together as heretofore to engage the respectiveportions of the cut windings extending laterally on each side of saidpairs of warps.

With this object in view, I provide, as shown, adjustably fixed upperand lower outer warp thread guide plates 17, 17, projecting respectivelytoward the upper and lower surface of the outer end of the form 7adjacent the series of cuttin devices 15 with the ends curved to'provieclearance for the latter and their surfaces having spaced guide ways 18vertically alined with the form guide ways 11 to receivethe series ofouter warp threads 19; guard$ 2O insuring 42 determinedly moved ways 18of projections 21, are accurately laid on the windings 6 in directlysuperimposed position over the respective-mnerwarps 4,

and said cooperating supports 21, 21 and form rojections 14 retain themin such position uring the cutting of the windings intermediate suchpairs of warps, and the latter are retained in position extendinglaterally between their respective pairs of warps until fixedly engagedthere-between by the twisting together of said warp pairs in well knownmanner.

Such twisting of the pairs of warps causes a rotation of the cutwindings intermediately engaged thereby, and in order that, suchrotation may be assisted by, and not retarded by the rotary knives, atits initial point between the latter and beyond the supports 21. 21 and14, I preferably form. the series of rotary knives ,with opposed roughand smooth sides in accordance with their respective rotationscoinciding with or being opposed to the rotation of their respectiveintermediate chenille strand 22 or 22, as clearly indicated in Fig. ,5

by the words rough and smooth and the arrow showing the rotary directionof the chenille strand.

Any known form of twisting mechanism may be employed in connection withmy improvements above fully described, the same commonly compnsingrotated warp engaging hooks 43 mounted in a reciprocated carriage in adirection coincident with the traversed feed wires 9 by weights or thelike,-so as'to traverse said warps at equal feed with the wires 9 andtwist them together to form chenille strands 22,

' 22; it being essential for my purpose that to said supports relationto said car iage provide a rotated hook 43 for each pairof cooperatingwarps. I

Due to the shape of the cooperating projectin supports 14, 21,21, and toinsure uniform c ienille strands, I prefer to draw oflf the series ofupper and lower strands 22 and 22 respectively, in divergent directionsas clearly seen in Figs. 1' and 9, and furthermore to preventobjectionably sharp twist extending I preferably bend said divergentseries at a point removed from said supports as indicated at the anglesB B, be yond which they extend in spaced parallel their respective'hooks43. And to insure a desirable equalized j uniformity of twist throughoutthe length of each chenille strand I employ, as shown, cranks or cams23, 23, connected by pairs of rods 24, 24, re-

pro-

.source of electrical energy,

threads 4, eyes 32 and spectively to a pair of short radially swingingarms 25 and a plair of longer radially swlnging arms 26, eac of saidarms having a transverse portion extendin across the series of chenillestrands. And so time the-cams 23, as to cause the engaging edge 27 of along arm 25 to contact with the upper series of strands 22, while acorresponding edge on a short arm contacts with the series of strands22', and reversely as the cams shift the other arms'25 into contactposition. By the means shown, which of coursemay be varied, itsessential feature being the spacings of contacts with the twistingstrands maintaining the angle bends B at varying points in its length, Ireduce the twist in the divergent portions, say at the point of contactof a long arm, which twist will at once extend to the short arm contactas the latter engages and long arm disengages, and when long arm againcontacts, the twist will extend beyond the short arm contact to theinitial point of twist, thus preventing harmful'ly tight twist fromreaching to such initial point, and equalizing the twist impartedthroughout the entire length of' strands formed.

It will be understood of course 'thatthe cooperating warp guides andsevering devices are so mounted as to be capable of nice adjustmentin'the relation to one another asindicated by the crossed arrows so asto provide for accurate positioning for various requirements ofdifferences in yarn weights and materials employed.

.To accomplish a second main object, heretofore stated, of automaticallycontrolling operations of the machine in case of exhaustion of supply orbreakage of any thread, I provide means shown more fully in Figs. 11, 12and 13. 1 In Fig. 11, I have shown the control appli cable to the spools3 on rotated head 2, such means, as preferably indicated, comprising aseries of arms 28, one for each spool 3 employed, insulatedly mounted onspoolhead 2 with interposed insulation 29, and carrying a contact 30 inelectrical contact with a cooperating contact 31, preferably in the formof a ring insulatedlymounted on'hollow shaft 1, and connected-by a wire,as shown, to a 32, 33, and 34 eyes for each of the 34 being adjustablyfixed to arm 28 so as to permit variations for differences in threadthicknesses and strength,

represent thread guide and varying centrifugal throw of the rotated head2; while eye 33 is movablewith its supporting post 35, verticallycarried in arm 28,

and a spring 37 normally retains its contact38 out of engagement withcooperating contact ring 39 mounted on shaft 1. 40- and 41 are screws toadjust the position of eyes 32 and 34 was to position the. purpose actthrough shaft. 1 which is preferably of them in relation to eye 33 forheretofore stated. Contacts 39 metal and connected by a wire shown tothe source of electrical energy.

Ihe action is such that the centrifugal force of rotation of head 2 andarms 28 carried thereby, tends to cause the post carried eyes 33 toshift their contacts 38 into engagement with ring contact 39, suchaction being partially resisted by springs 37 and further resisted bythe tension tauted threads 4 between adjusted eyes 32 and 34. Should thesupply of thread on any spool become ex: hausted, or any spool threadbreak, the resistance of such thread against its corresponding postguided eye 33 ceases, and centrifugal force will cause contact of itspost end 38 with ring 39 to close an electrical circuit as clearlyindicated. Such electrical circuit, when closed, may be utilized in anyconvenient manner to stop the machine, as by operating a power controlclutch or motor switch as best suited for the purpose. Springs 37 merelyprevent closing of the circuit when the machine is at rest, as forresupplying with spools,

- and screws 40 and 41 as shown, permit adj ustment of eyes 32 and 34.

Fig. 12 shows the automatic control for v the chenille strands, eachstrand hook 43 having a limited independent longitudinal movement intraversing carriage 42, such movement brin ing its opposite end 47, ro-

vided with an e ectrical contactpiece 44, into engagement with ayielding contact member 45; a spring of sufficient force only to movethe book 43 longitudinally when a strand breaks, insures such closing ofan electrical circuit, and a stop 48 on the carriage limits the shaftmovement against yielding contact 45. The operation is clearly shown andrequires no further description.

Fig'. 13 shows an automatic control wh1oh T is applicable to any of thewarp threads employed, and consists simply of a series of thread guideeyes 49, one for each warp, mounted in a frame bar 50 and independentlymovable therein by action of springs 51 to cause their depending ends toelectrically contact with a contact plate 52. The-tem- 1 sioned ,warpthreads normally raise said depending eye ends away from such contactdue to the tension given the thread, and when such tension fails, as bybreakage or exhausted supply, the corresponding eye contact will closethe electrical circuit and act to stop the machine as above set forth. 4I

From the foregoing detailed descrlption of preferred meansforaccomplishing my (all main objects set forth, and other objectsdisclosed later in connection with specific fea= tures, I believethatthe construction and advantages of my invention -will be readilyunderstood; and it is obvious that modifications and changes in thedetails disclosed may be readily made without departing from the spiritof my invention, the scope of which is I defined in the followingclaims.

What I claimas my inventionand desire to secure by Letters Patent, is:

1. A winding and twistingrmachine for simultaneously making numerouschenille strands, comprising means for winding a pile-forming thread;means for laying a series of opposed'inner and outer warpthreads forsaid windings and jointly feeding the same; a series of cutting devicesfor said windings in the feed path between each pair of warps; and aseparate twisting device for each pair ofwarps.

2. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a series of opposed innerand outer warp threads for said windings and jointly feeding the same; aseries of cutting devices for said windings in the feed path betweeneach pair of warps; and a separate twisting device for each pair ofwarps; a receiving form for.-

said windings the surface of'which is arranged to guide said series ofinner warp threads in laterally spaced relation.

3. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a pileforming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and jointly feeding'the same;

SW pile-forming thread; means for laying a simultaneously makingnumerous chenille.

strands, comprising means for winding a pile-forming thread; means forlaying a series of opposed inner and outer warp threads for saidwindings and jointly feeding the same; a series of cutting devices forsaid windings in the feed path between each pair of warps; and aseparate twisting device for each pair of warps; a receiving form forsaid windings of oblong cross-section having fiat top andbottom surfacesforming warp thread guide-ways arranged in laterally spaced rela tioncorresponding with the length of pile thread required for each of theseveral chenille strands produced. a

'5. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a pileforming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and jointlyfeeding the same;

a series of cutting devices ,for said windings w in the feed pathbetween each pair of warps;

and a separate twisting device for each pair of warps; a receiving formfor said windings of oblong cross-section having flat top and bottomsurfaces forming warp thread uidethreads for said windings and jointlyfeeding the same; a series of'cutting devices for said windings in thefeed path between each pair of warps; anda separate twisting deviceforeach pair of warps; a receiving form for said'w-indings having warpguiding projections extending between said cutting deseries of innerwarp threads 'in' laterally spaced relation, and guide means for saidvices.

7. In a winding and twisting machine for simultaneously maklng numerouschenllle strands, comprising means for winding a pile-forming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and jointly feeding the same; a series of cutting devicesfor said windings in the feed path between each pair of warps; and aseparate twisting device for each pair of warps; a receiving form forsaid windmgs having warp guiding pro ections extending between saidcutting devices, said extensions having rounded top and bottom guidesurfaces.

8. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a pile-forming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and j ointly'feeding the same; a series of cutting devicesfor said windings in the feed path between each pair of warps; and aseparate twisting device for each pair of warps; a receiving form forsaid windings the surface of which is arranged to guide said series ofinner warp threads, the latter supporting said windings away from saidform surface.

9. In a winding and twlsting machine for simultaneously making numerouschenille strands, comprising means for winding a pileforming thread;means for laying a series of opposed inner said windings and jointlyfeeding the same; a series of cutting devices for said windings in thefeed path between each pair of warps; and a separate twisting device foreach pair of warps; a receiving form for said windmgs the surface ofwhich is arranged to guide said outer warp threads arranged to lay thelatand outer warp threads for ter on said windings in superimposedrelation .to said series of inner warps.

10. In a winding and twisting machine for simultaneously ,makingnumerous chenille strands, comprising means for winding a pile-formingthread; means for laying a series of opposed inner and outer, wa

threads for said windin s and jointly .fee

in the same; a series 0 cutting devices for said windings 1n the feedpath between each pair of warps; and a separate twisting device for'eaehpair of warps; a receiving form for said windings having inner warpguiding projections extending between said cuttin devices, and outerwarp uides having similar projections co-exten ing withsaid first namedprojections and in spaced relation to the latter.

11. In a winding and twisting machine for simultaneously making numerouschenille" strands, comprising means for winding a pile-forming thread;means for laying a. series of opposed inner and outer warp threads forsaid windings and jointly feeding the same; a seriesof cutting devicesfor said windings in the feed path between each pair of warps; and aseparate twisting device for each pair of warps; a receiving form forsaid windings havingJinner warp guiding projections extending etweensaid cutting devices,

and outerwarp guides aving similar projections co-extending wit saidfirst named projections and in spaced relation to the latter, theopposed surfaces of said projections being reversely curved. l

12. In a winding and twistixig machine for simultaneously makingnumerous chenille strands, comprising means for winding a pile-formingthread; means for laying a series of opposed inner and outer warpthreads for said windings and jointly feedin the same; a series ofcutting devices for sai windings in the feed path between each pair ofwarps; and a separate twistin device for each pair of warps; saidcutting evices comprising pairs of cooperating rotary edgecutting discs,the opposed fiat faces of ad- ;jacent pairs being respectively smoothand roughened.

13. In a winding and twisting machine for simultaneously making numerouschenille strands, comprisin means for winding a pile-forming thread;means for layin a series of opposed inner and outer warp t reads forsaid windings and jointly feeding the 'same; a series of cutting devicesfor said windings in the feed path between each pair of: warps; and aseparatetwisting device for each pair of warps; a series of guide waysbetween said cutting devices each adapted to support a line of cutwindings intermediate a pair of superimposed warps.

14. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a pileforming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and jointly feeding the same; a

series of cutting devices for said windings in the'feed path betweeneach pair of warps; and a separate twisting device foreach pair ofwarps; and means adapted to angularly deflect each of said pairs or"warps beyond its respective guide way.

15. In a winding and twisting machine for simultaneously making numerouschenille strands, comprisin means for winding a pile-forming threa meansfor laying a series of opposed inner and outer warp threads for saidwindings and jointly feeding the same; a series of cutting devices forsaid windings in the feed path between each pair of warps, and aseparate twisting device for each pair of warps; contact members for theseries of forming chenille strands adapted to deflect their path of feedto their respective twisting devices.

16. In a winding and twisting machine for simultaneously making numerouschenille strands comprisin means for winding a pile-forming threa meansfor layin a series of opposed inner and outer warp t reads for saidwindings and jointly feeding the windings in the feed path between eachpair of warps; and a separate twisting device for each pair of warps; astop motion mechanism comprising an electric circuit andathread-actuated circuit-closing contact member, and means actuated by anormally feed- -ing thread to hold said contact in non-contactingposition.

18. In a winding and twisting machine i thread actuated contact normallyheld in same; a series of cutting devices for said windings in the feedpath between each pair of warps; and a separate twisting device for eachpair of warps; a pair of spaced alter:

nately engageable contact members for the series of forming chenillestrands adapted to varyingly'deflect their path of feed to theirrespective twisting devices.

17. In a winding and twisting machine for simultaneously making numerouschenille strands, comprising means for winding a pileforming thread;means for laying a series of opposed inner and outer warp threads forsaid windings and jointly feeding the 7 same; a series of cuttingdevices for said circuit-closing position by the centrifugal throw ofsaid winding means, and means actuated by a normally feeding pile threadto hold said contact in non-contacting position.

19. In a winding. and twisting machine for simultaneously makingnumerous chenille strands, comprising means for winding a pile-formingthread; means for layin a series of opposed inner and outer warp t readsfor said windings and jointly feeding the same; a series ofcuttingdevices for said windi ings in the feed pathbetween each pair of warps;and a separate twisting device for each pair of warps; a stop motionmechanism comprising an electric circuit and a circuit-c'losing contactcarried by each of said sion of the warps respectively engaging saidtwisting devlces. 4

In testimony whereof I afix my signature.

i ELEMERIGI-I IEGL.

